6142878 has 40 divisors (see below), whose sum is σ = 15733872. Its totient is φ = 1754784.

The previous prime is 6142841. The next prime is 6142879. The reversal of 6142878 is 8782416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6142879) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1575 + ... + 3842.

Almost surely, 2^6142878 is an apocalyptic number.

6142878 is an abundant number, since it is smaller than the sum of its proper divisors (9590994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6142878 is a wasteful number, since it uses less digits than its factorization.

6142878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5438 (or 5429 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 6142878 is about 2478.4830037747. The cubic root of 6142878 is about 183.1431290900.

It can be divided in two parts, 6 and 142878, that added together give a square (142884 = 378²).

The spelling of 6142878 in words is "six million, one hundred forty-two thousand, eight hundred seventy-eight".